Birth. (No date found), castle of La Châtre, Bourges, Borgogne, France. Of a noble family. Nephew of Archbishop Pierre de la Châtre of Bourges. He is also listed as Aymery only; his last name as Castra; and his first name as Aimerich, Aimerici, Almerici, Armerici, Imerici, Ioserici, Haymericus, Aymeric and Aimerico.

Education. Joined the Canons Regular Lateranense.

Priesthood. Ordained (no further information found).

Cardinalate. Created cardinal deacon of S. Maria Nuova in a consistory of December 1120. Chancellor of the Holy Roman Church for 18 years at least; subscribed as such papal bulls issued between May 8, 1123 and November 24, 1124; February 3, 1125 and December 19, 1129; March 1140 and May 20, 1141. Participated in the papal election of 1124, in which Pope Honorius II was elected. On February 24, 1125, he replaced archchancellor Friedrich, archbishop of Cologne. Librarian of the Holy Roman Church from February 1125 until 1141. Participated in the papal election of 1130, in which Pope Innocent II was elected. Cardinal protodeacon in 1135. Bernard de Clairvaux, future saint, with whom he corresponded, dedicated to him his Amour de Dieu. In 1138, he was part of a papal legation formed by Gerardo Caccianemici dell'Orso, Can. Reg. of S. Maria di Reno, and Badouin, O.Cist., of S. Maria in Trastevere, supporting the pope in the dispute over the legitimacy of the election of Abbot Rainaldo and over the relations of the abbey with the papacy and the empire; Cardinal Aymery deposed the abbot for supporting Antipope Anacletus II.

Birth. (No date or place found). His name is also listed as Ionathan and Ionathas.

Education. (No information found).

Cardinalate. Created cardinal deacon of Ss. Cosma e Damiano in the consistory of December 1120. Subscribed papal bulls issued between January 3, 1121 and April 1, 1124; April 2, 1125 and March 24, 1129. Participated in the papal election of 1124, in which Pope Honorius II was elected. Participated in the election of Antipope Anacletus II in 1130 and joined his obedience. Received the title of S. Maria in Trastevere on Holy Saturday 1130. Subscribed bulls issued by the antipope between March 27 and April 24, 1130.

Cardinalate. Created cardinal deacon of S. Lucia in Septisolio in the consistory of December 1120. Subscribed papal bulls issued between January 3, 1121 and April 15, 1122. Opted for the order of cardinal priests and the title of Ss. Aquila e Prisca (S. Prisca) at the end of 1122. Subscribed papal bulls issued between April 6, 1123 and June 4, 1124. Participated in the papal election of 1124, in which Pope Honorius II was elected. Subscribed papal bulls issued between May 4, 1125 and April 10, 1129.

Cardinalate. Created cardinal deacon of Ss. Vito e Modesto in the consistory of December 1120. Subscribed a papal bull issued on April 6, 1123. Participated in the papal election of 1124, in which Pope Honorius II was elected.

Death. Before the election of Innocent II on February 14, 1130, (no place found). Buried (no information found).